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Finding the Fourth Proportional to 259,850, 389,775 and 62,858

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Solution

The fourth proportional to 259,850, 389,775 and 62,858 is: 94,287

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,850 : 389,775 = 62,858 : x
  2. Step 2: Convert to fraction form
    259,850/389,775 = 62,858/x
  3. Step 3: Cross multiply
    259,850x = 389,775 × 62,858
  4. Step 4: Simplify right side
    259,850x = 24,500,476,950
  5. Step 5: Solve for x
    x = 24,500,476,950/259,850
  6. Step 6: Final answer
    x = 94,287

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.